<template>
    
    <div class="mui-numbox" data-numbox-min='1' style="height:25px">
		<button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
		<input id="test" class="mui-input-numbox" type="number" :value="initcount" 
        @change="countChanged" ref="numbox" readonly/>
		<button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
	</div>

    <!-- 分析：子组件什么时候把 数据传递给父组件 -->

</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'

export default {
    mounted() {
        // 初始化数字选择框组件
        mui(".mui-numbox").numbox();
    },
    methods: {
        countChanged() {
           // 数量改变了 
           this.$store.commit("updateGoodsInfo", {
               id: this.goodsid,
               count: this.$refs.numbox.value
           });
        }
    },
    props: ["initcount", 'goodsid']
    
}
</script>


<style lang="scss" scoped>

</style>

